The objective is to evaluate in situ detection of living mycobacterium tuberculosis rRNA using Mycobacterium Tuberculosis Direct Assay (MTD) and its clinical significance in early diagnosis of extrapulmonary tuberculosis. 86 patients having been diagnosed to have extrapulmonary tuberculosis including tuberculous peritonitis (n=22), lymphatic tuberculosis (n=21), tuberculous meningitis (n=15), H...